The Multiquip EM14411A Black Piston Cup is a genuine OEM replacement designed for the C30HDGA concrete pump. Sourced directly from Multiquip, this piston cup meets the exact material and dimensional specifications of the original component. It is a direct-fit replacement for C30HDGA units, ensuring correct sealing performance without improvised modifications. Keep a spare on hand — piston cups are wear items that require periodic replacement to maintain pumping output and protect downstream components.
Key Features
- OEM-Grade Seal Material: — Manufactured to Multiquip's original compound specification, delivering the compression and wear resistance required for concrete pump service cycles.
- Direct-Fit Installation: — Engineered to seat correctly in the pump cylinder bore of the C30HDGA, replacing the original cup without rework or adaptation.
- Confirmed Fitment: — Verified for the Multiquip C30HDGA concrete pump.
- Sustained Pumping Pressure: — A correctly seated piston cup maintains cylinder pressure, preserving consistent concrete output volume and delivery distance.
- Wear-Item Replacement: — Piston cups degrade under abrasive slurry contact; replacing on schedule prevents pressure loss, cylinder scoring, and unplanned pump downtime.
The piston cup is a critical sealing component inside the concrete pump cylinder. It forms a pressure-tight barrier between the piston and cylinder wall, allowing the pump to build and sustain the hydraulic force needed to push concrete through the delivery line. When a piston cup wears, cracks, or hardens, pumping pressure drops, output becomes inconsistent, and abrasive concrete slurry can reach the piston rod and cylinder bore — accelerating damage to more expensive components. Replacing the cup at the first sign of pressure loss or visible wear is the most cost-effective way to protect the pump.
For fitment questions or to confirm this part is correct for your specific unit, contact the DHS Equipment team before ordering.
Part Details
| Part Number | EM14411A |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Black Piston Cup |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDGA |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.